My 18-year-old stepsister and I engage in sexual activity while she is resting on her bed, resulting in a creampie and cumshot

I stumbled upon my 18-year-old stepsister resting on her bed, and my desire for her was too strong to resist. I undressed her slowly, revealing her perfect body, then I took her from behind, enjoying her tight pussy and big ass. After a wild fuck, I filled her with my cum, leaving her satisfied and me thrilled.